NASA’s Voyager 1 probe launched more than 43 years ago sends ‘persistent hum’ sound from beyond our solar system

NASA’s Voyager 1 spacecraft has detected a “persistent hum” beyond our solar system. Voyager 1, is one of Earth’s longest-flying probe launched on September 5 1977, from Cape Canaveral, Florida, aboard a Titan-Centaur rocket. The craft initially designed to last five years, more than 43 years after they launched, the probe are still sending back […]